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NonLocal Means (NLM), taking fully advantage of image redundancy, has been proved to be very effective in noise removal. However, high computational load limits its wide application. Based on Principle Component Analysis (PCA), Principle Neighborhood Dictionary (PND) was proposed to reduce the computational load of NLM. Nevertheless, as the principle components in PND method are computed directly...
Adaptive Directional Lifting (ADL) has been successfully implemented in image compression and denoising due to the feature of simple structure and flexible directional selectivity. However, image denoising by means of ADL introduces many visual artifacts caused by Gibbs phenomena due to the lack of translation invariance. In this paper, we propose a translation invariant directional lifting (TI-DL)...
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